Finding the Fourth Proportional to 1,763,927,747.68, 2,645,891,620.62 and 658,618,923.34
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Solution
The fourth proportional to 1,763,927,747.68, 2,645,891,620.62 and 658,618,923.34 is: 987,928,384.67
Step by Step Solution
- Step 1: Write the proportion equation
1,763,927,747.68 : 2,645,891,620.62 = 658,618,923.34 : x - Step 2: Convert to fraction form
1,763,927,747.68/2,645,891,620.62 = 658,618,923.34/x - Step 3: Cross multiply
1,763,927,747.68x = 2,645,891,620.62 × 658,618,923.34 - Step 4: Simplify right side
1,763,927,747.68x = 1,742,634,290,447,072,256 - Step 5: Solve for x
x = 1,742,634,290,447,072,256/1,763,927,747.68 - Step 6: Final answer
x = 987,928,384.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.